Seriously fun hands-on learning for curious kids of all ages | KiwiCo

Water Timer

Water Timer - Main image
$20.7 $30 In stock

Category: Products

Build an animated timer that runs on water power! Construct a working water wheel that spins as gravity pulls water through a spout, then watch the energy transfer to a cuckoo bird automaton. Fill the top cup, slide open the flow gate, and your two-minute timer kicks into action: the wheel spins, the figures move, and a duck bobs up in the bottom cup as the dipper fills and tips. Engineering technology, built by you.
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Customer Reviews (4.6 / 5 · 15 reviews)

Nicholas B. ★★★★★

The water wheel spins beautifully once you get the flow right, and watching it drive the cuckoo bird is genuinely mesmerizing. It’s not a quick build, but every step feels rewarding, and the gravity-powered mechanism works exactly as described.

Zoe ★★★★★

My kids and I spent a whole afternoon building the water wheel together, and the moment the spinning wheel made that cuckoo bird pop out, they actually cheered. The gravity-fed spout is cleverly designed and surprisingly smooth to watch, even if you have to be patient with the fill.

Scarlett ★★★★★

The cuckoo bird actually pops out and taps its beak when the wheel spins, which had my kids squealing with delight. The water-powered mechanism is clever and simple enough for a 9-year-old to manage with minimal help. We've run it three times already and the motion is surprisingly smooth every time.

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